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Building permits in Hercules, CA
From Apr 27, 2026 to Oct 18, 2026, the weekly reports list 359 building permits with a Hercules address. That's about 14.4 a week, and $7.9M in declared work.
Contra Costa County issues building permits for the City of Hercules and lists them in its weekly report. We include all of them.
- Last 4 weeks: 15.8 a week, against 14.4 over 25 weeks.
- Most common work: remodel / general, then plumbing.
- Median declared job: $12,000.
- 91% name a contractor. Most of the rest are owner-builder jobs.
- Biggest job in the period: $800,000, - rooftop chiller replacement (07/08/2026).
Hercules permits by trade
359 permits over 25 weeks, Apr 27, 2026 to Oct 18, 2026.
| Trade | Permits | Per week | Median value |
|---|---|---|---|
| Remodel / general | 77 | 3.1 | $10,000 |
| Plumbing | 68 | 2.7 | $3,604 |
| Roofing | 65 | 2.6 | $17,334 |
| HVAC | 48 | 1.9 | $11,996 |
| Solar | 42 | 1.7 | $30,573 |
| Electrical | 36 | 1.4 | $2,400 |
| Landscape / hardscape | 6 | 0.2 | $8,750 |
| Other | 5 | 0.2 | $18,000 |
| Commercial (signs, telecom) | 4 | 0.2 | $223,500 |
| Pool | 4 | 0.2 | $55,750 |
| ADU / new build / addition | 4 | 0.2 | $95,663 |
Recent permits in Hercules
The 15 newest. The Monday email has every one, with the contractor's license phone.
Scroll the table sideways to see all columns.
| Issued | Trade | Address | Work | Value | Contractor |
|---|---|---|---|---|---|
| 10/16 | Roofing | 109 Raleigh Ct | Reroof, tear off, 29 SQ. Tile repaper | $15,000 | Eitan Perlman Inc Dba Symplify Roofing And Home Upgrades |
| 10/16 | Plumbing | 1952 Lupine Rd | Drain repipe - 2 bathroom in crawl space | $13,507 | Service Champions |
| 10/15 | Roofing | 139 Lotus Ct | Tear off comp. shingle. Install new comp. shingle. Approx. 24 squares | $26,340 | Bay Valley Roofing |
| 10/15 | HVAC | 2126 Tsushima St | Replacement of an A/c outdoor unit, no ductwork modification | $6,000 | Hi-hvac LLC |
| 10/14 | HVAC | 5 Dome Ct | 3 ton condenser w/ coil changeout in back yard | $13,037 | Service Champions |
| 10/14 | Remodel / general | 278 Scotts Valley | Remove and replace 4 windows in master bedrrom like for like same location | $6,920 | Wadsworth Glass Inc |
| 10/14 | Plumbing | 148 Mandalay Ave | Remove and replace the existing water heater with a new ADV - Navien- tankless water… | $6,900 | Service Experts Heating & Air Conditioning |
| 10/14 | Plumbing | 253 Dartford | Remove/replace 50-gal gas water heater in the garage. like for like same location | $3,739 | Fast Water Heater |
| 10/14 | HVAC | 1739 Redwood Rd | Replacing gas water heater to electrical water heater | $1,200 | R V O Rooter & Plumbing |
| 10/13 | Roofing | 1646 Partridge Dr | Removal and installation of shingle roof 21 squares | $17,500 | Rooflow Inc |
| 10/13 | Roofing | 127 Cypress Ct | Tear-off 1 layer of existing roof, Install CertainTeed Landmark 20sq | $17,334 | Clean Roofing |
| 10/13 | Plumbing | 166 Goldenrod Dr | Change out existing natural gas water heater with new natural gas 50 gallon water heater… | $3,390 | Environmental Heating & Air Solutions Inc |
| 10/13 | Remodel / general | 792 Turquoise Dr | Replace 2 retrofit windows | $2,230 | Renewal By Andersen Of San Francisco |
| 10/12 | Solar | 1178 Williams St | Install (8) roof mount solar panels at 3.36 kW and 2 batteries | $24,970 | Tesla Energy Operations Inc |
| 10/12 | Roofing | 157 Crabapple Ct | Remove existing roofing material and install approximately 1,900 sq. ft. (19 squares) of… | $11,000 | Lifetime Roofing Renovation |
Busiest contractors here, last 90 days
| Contractor | Permits | Main trade | Value |
|---|---|---|---|
| Service Champions | 13 | Plumbing | $120,930 |
| Benicia Plumbing Inc | 11 | Plumbing | $74,524 |
| Fast Water Heater | 11 | Plumbing | $32,678 |
| Awt Roofing & Construction | 11 | Roofing | $275,000 |
| Sunrun Inc | 6 | Solar | $126,004 |
| Tsp Roofing And Solar | 5 | Roofing | $52,740 |
| Tesla Energy Operations Inc | 5 | Electrical | $49,770 |
| Jazz Heating & Cooling LLC | 5 | HVAC | $87,995 |
Permits pulled Jul 20, 2026 to Oct 18, 2026. Names as on the permit or the state license.
Week by week
| Week | Permits |
|---|---|
| Week of Oct 12 | 16 |
| Week of Oct 5 | 13 |
| Week of Sep 28 | 14 |
| Week of Sep 21 | 20 |
| Week of Sep 14 | 9 |
| Week of Sep 7 | 13 |
| Week of Aug 31 | 8 |
| Week of Aug 24 | 15 |
Get the whole list every Monday
Every permit from last week, all trades, with the contractor's license phone number. Plain email, plus a CSV.
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